The earliest type of fiber optic systems were:
A)Graded index multimode
B)Attenuated
C)Multimode
D)Single mode
E)Step mode

Question

Quizplus · Accepted Answer

The earliest type of fiber optic systems were multimode, which allowed multiple light modes to propagate through the fiber. This was before the development of single mode fibers which support only one mode, leading to less dispersion and higher bandwidth capabilities.

The Earliest Type of Fiber Optic Systems Were